<template>
  <a-layout-content
      :style="{ background: '#fff', padding: '24px', margin: 0, minHeight: '280px' }"
  >
        <a-table
            :columns="columns"
            :row-key="record => record.id"
            :data-source="ebooks"
            :pagination="pagination"
            :loading="loading"
            @change="handleTableChange"
        >
          <template #cover="{ text: cover }">
            <img v-if="cover" :src="cover" alt="avatar" />
          </template>
          <template v-slot:action="{ text, record }">
            <a-space size="small">
              <a-button type="primary" @click="edit(record)">
                编辑
              </a-button>
              <a-button type="danger">
                删除
              </a-button>
            </a-space>
          </template>
        </a-table>
  </a-layout-content>

  <a-modal v-model:visible="modalVisible" title="电子书表单" :confirm-loading="modalLoading" @ok="handleModalOk">
    <a-form :model="ebook" :label-col="{ span: 6 }" :wrapper-col="{ span: 18 }">
      <a-form-item label="封面">
        <a-input v-model:value="ebook.cover" />
      </a-form-item>
      <a-form-item label="名称">
        <a-input v-model:value="ebook.name" />
      </a-form-item>
      <a-form-item label="分类一">
        <a-input v-model:value="ebook.category1Id" />
      </a-form-item>
      <a-form-item label="分类二">
        <a-input v-model:value="ebook.category2Id" />
      </a-form-item>
      <a-form-item label="描述">
        <a-input v-model:value="ebook.desc" type="textarea" />
      </a-form-item>
    </a-form>
  </a-modal>
</template>

<script lang="ts">
import { defineComponent, onMounted, ref } from 'vue';
import axios from 'axios';

export default defineComponent({
  name: 'AdminEbook',
  setup() {
    const ebooks = ref();
    const pagination = ref({
      current: 1,
      pageSize: 4,
      total: 0
    });
    const loading = ref(false);

    const columns = [
      {
        title: '封面',
        dataIndex: 'cover',
        slots: { customRender: 'cover' }
      },
      {
        title: '名称',
        dataIndex: 'name'
      },
      {
        title: '分类一',
        key: 'category1Id',
        dataIndex: 'category1Id'
      },
      {
        title: '分类二',
        dataIndex: 'category2Id'
      },
      {
        title: '文档数',
        dataIndex: 'docCount'
      },
      {
        title: '阅读数',
        dataIndex: 'viewCount'
      },
      {
        title: '点赞数',
        dataIndex: 'voteCount'
      },
      {
        title: 'Action',
        key: 'action',
        slots: { customRender: 'action' }
      }
    ];

    /**
     * 数据查询
     **/
    const handleQuery = (params: any) => {
      loading.value = true;
      // 如果不清空现有数据，则编辑保存重新加载数据后，再点编辑，则列表显示的还是编辑前的数据
      axios.get("/ebook/list",{
        params:{
          size: params.size,
          page: params.page
        }
      }).then((response) => {
        loading.value = false;
        const data = response.data;
        ebooks.value = data.content.list;

        // 重置分页按钮
        pagination.value.current = params.page;
        pagination.value.total = data.content.page;

      });
    };

    /**
     * 表格点击页码时触发
     */
    const handleTableChange = (pagination: any) => {
      console.log("看看自带的分页参数都有啥：" + pagination);
      handleQuery({
        page: pagination.current,
        size: pagination.pageSize
      });
    };

    // -------- 表单 ---------
    /**
     * 数组，[100, 101]对应：前端开发 / Vue
     */
    const ebook = ref();
    const modalVisible = ref(false);
    const modalLoading = ref(false);
    const handleModalOk = () => {
      modalLoading.value = true;
      axios.post("/ebook/save", ebook.value).then((response) => {
        modalLoading.value = false;
        const data = response.data; // data = commonResp
        if (data.success) {
          modalVisible.value = false;

          // 重新加载列表
          handleQuery({
            page: pagination.value.current,
            size: pagination.value.pageSize,
          });
        }
      });
    };

    /**
     * 编辑
     */
    const edit = (record: any) => {
      modalVisible.value = true;
      ebook.value = record
    };

    onMounted(() => {
      handleQuery({
        page: 1,
        size: pagination.value.pageSize
      });
    });

    return {
      ebooks,
      pagination,
      columns,
      loading,
      handleTableChange,
      edit,
      ebook,
      modalVisible,
      modalLoading,
      handleModalOk
    }

  }
});
</script>
